Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2024, 23:19

General

  • Target

    07d5333b94e8d937b47c8b5f35db2657_JaffaCakes118.exe

  • Size

    228KB

  • MD5

    07d5333b94e8d937b47c8b5f35db2657

  • SHA1

    5427b569bbb3f89c5431c2a1cf328f12fd85dba7

  • SHA256

    b9f2e83873eb1a832ab119328ba1fa8bb8872a4cf07032a7863e5e9f209f2b07

  • SHA512

    45d9bee8948e8791fd24bc790dc8ab7435c81adadb06e73c3f130a39d0136babc855d1aa0fa259d4bb7f4e0dca8f2ac8e4c7e8382343d2a9b53bb05af3e13173

  • SSDEEP

    6144:fEA3PFKs7aaOKW8alhrEqxF6snji81RUinKGHgDDSa:fE6PhvENPH6Dn

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 27 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\07d5333b94e8d937b47c8b5f35db2657_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\07d5333b94e8d937b47c8b5f35db2657_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Users\Admin\jowal.exe
      "C:\Users\Admin\jowal.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4856

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\jowal.exe

          Filesize

          228KB

          MD5

          3fb1fb317ea182db14c4e8ff8780e6d5

          SHA1

          c5c2941e82432e6520f77d0da4073bd782d1f689

          SHA256

          3bea2d299403e49d9fd534874eec05992fef1bbf8819c58b67f083d013a9d76b

          SHA512

          a309d1d0ad410b61ff0a9c303a9d63facb9f319e75ebffa01f080598e3a603188ac2ed58a01b6d025d48c8a2f209d6913fc2055d95475dd61e6e763924456f16